Question

Wood always (float) on water ​

Answer 1

Explanation:

This is the essence of the famous anecdote about Archimedes leaping naked from his bathtub crying “Eureka!” He recognized that his body in the tub was displacing an equal weight of water. But that only applies to something that is less dense or at most equally dense to the water. Most wood is less dense than water and therefore will float with a certain amount staying above the surface.

The density of materials can be related to that of water by the ratio of their weights per unit volume. Water is given the specific gravity of ‘1’ and anything that is denser will have a specific gravity greater than 1 (and will sink completely in water) and anything less dense will have an SG less than one. You will recall that 9/10 of an iceberg is below the surface.

Answer 2

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Wood floats on water because it is less dense than water. Wood is made of individual fibers, and there is some space in between these fibers. Because of this, most woods will naturally float. Woods with denser fibers and those with little space between fibers, however, will sink.

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